Tube frame for axminster looms



.J G soDr-:RBERG ET AL TUBE FRAME FOR AXMINSTER LOOMS Find June -22, 192s M 5 2 9 1 u i ,m M

Patented Mar. 17, 1925`q UNITED STA TES PATENT OFFICE- JOHN G. SODERBERG AND WALTER H. WAXEFIELD, OF VJ'OROESTEB, MASSACHSETTS,

ASSIGNORS TO CROMPTON & KNOWLES LOOM WORKS, OF WORCESTER, MZASSAy CHUSETTS, A CORPORATION 0F MASSACHUSETTS. v 4

TUBE FRAME FOR AXMINSTER LOOMS.

Application mea nine 22,

To all whom t may concern.'

Be it known that we, JOHN G. SODERBERG and WALTER H. VVAKEFIELD, both citizens of the United-States, residing at TWorcester, in the county of Worcester and State of Massachusetts, have invented a new and useful Tube Frame for AXminster Looms, of which the following is a specication.

This invention relates to tube frames of the type generally employed on wide AX- minster looms, and an object of the invention is to utilize ordinarily wasted material for securing the spool bearing and chain engaging brackets to the tube frames in .such a way as to permit the construction of the brackets with less material but with no loss of strength.

The tube frames ordinarily used in weaving wide AXminster rugs are commonly formed of tubular metallic bars rectangular in cross-section. The ends of each bar are provided with brackets which are formed with spool bearing and chain engaging portions and each bracket, as usually constructed, carried a pair of parallel arms which eX- tend into and are secured to the bar. One of these arms is usually made from a separate piece which must be stamped out by an additional operation and weldedvor otherwise secured to the bracket. The arms so formed represent extra stock and labor and it is one object of our invention to eliminate the extra expense incident to such a construction.

rIhe rough bars from which the tube frames are made are usually supplied somewhat longer than the Enished frame is to be so that the ends may be accurately finished and another object of our invention resides in making use cf a part of such stock as would otherwise be wasted.

Fig. 1 is an end view of a tube frame em-v bodying our invention,

Fig. 2 is a vertical section taken on line 2--2 of Fig. 1,

1923. Serial No. 647,179.

Fig. 6 is a horizontal section taken on line 6-6 of Fig. 5, Fig. 7 is a view similar to Fig. 2but showing another modification of the invention,

and 4 Fig. 8 is a horizontal section on line 8 8 ofFig.7. In the form of the invention shown in Figs. 1-4 the bracket 10 is formed with the usual spool bearing 11 stamped therefrom. and arranged to receive gudgeon`12 of spool 13. Anotherportion of thebracket is voffset from the body thereof to form the chain engaging tongue 14 while the lower endV of the bracket is bent to form an arm 15 which is countersunk as at 16.I Screws 17 vpass through the tubular bar 18 and are threaded into countersunk parts of the arm 15. A- leaf spring 19 is held to the bracket by a screw 2O and has the upper end thereof passed through slot 21 which is formed in the bracket when bearing 11 is stamped therefrom. The matter thus far described is of the usual construction.

Our improvements reside in means for giving additional support to the bracket. such support as shown-herein being applied near the upper part of the tubular bar 18. As shown in Fig. 2 we forml the bar with a lip 22 integral therewith and bend said lip so that it will be parallel to the vertical or body portion of the bar, the lip in this instance being bent upwardly from the bar. Screw 23 is then passed through the bracket and threaded into the lip 22, in which'posi-v tion it may be held tightly by lock nut 24. The use of the lock nut is made possible because both ends of the screw are accessible from without the bar 18.

In looms employing tube frames of considerable length, it is desirable to have a `bracket somewhat stronger than the one previously described and in the following modications to be described the bracket is shown on-har- BQ- long` enough to, extendhto the spoolgudgeon, thus permitting thebearing for the spool to be formed integrally with the bar. The arm extending from and pro;

jet-ting into the bar is held to the latter in a manner similar' yto the'ieferd form, 'id thel body of thebraeket is held to the lip 31 hfyvmean* of rei'vi' 331.

In the modification Shown' in' 7 iil'd 8 the bracket 40 is similar to bracket 3U blt the tubular bal" 4l liae friled" integral there4 with a relatively short lip 42 rviided: preferably iii-ith it clear lible to' ieceiye screifl. The spool E'ng ls? fiiiie'd of a: Sie-parate starninfgli' f'et a's'lfitf 45 to overlaid the lip 42 and threaded to receiv'e the' aforesaid iii; A end Screw may be' iised to seour the; bearing to the" bracket and the upperend of the bearing member may be gudgeon. It is not necessary that the bea-r- 1er te @heine le; man1/aie eed' er me Speel to the details disclosed herein, but what we do claim is:

1. In a tube frame for Axminster looms, a. hollow metallic bar;- one Wall )of ealid bar being xtidd and bent at right 'angles thereto to form an ear, a cha-in engaging bracket'V member having a portion, extending Within the bar and Securedto that portion of the hollow bar oppositeithefside from v Which the ear ie bent, a spool supporting rnemberfhaylng. portion thereof extending along the chain engaging member and havig"`thatiplii thereof adjacent the bar oiset and engaging the inner'face of the ear, the chaini'gagihg engaging avr removable device 

